YotaScale, a graduate of Alchemist’s enterprise accelerator, is announcing a $3.6 million venture round today from Engineering Capital, Pelion Ventures and angels Jocelyn Goldfein, Timothy Chou, and Robert Dykes. The startup employs machine learning to help balance performance, availability, and cost of enterprise cloud computing. Competitors CloudHealth Technologies and Cloudability have raised a combined $80 million in the hot space.